/* * BlackFin DSPUTILS * * Copyright (C) 2007 Marc Hoffman * Copyright (c) 2006 Michael Benjamin * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "config.h" #include "libavutil/attributes.h" #include "libavutil/bfin/attributes.h" #include "libavcodec/avcodec.h" #include "libavcodec/dsputil.h" void ff_bfin_idct(int16_t *block) attribute_l1_text; void ff_bfin_fdct(int16_t *block) attribute_l1_text; void ff_bfin_add_pixels_clamped(const int16_t *block, uint8_t *dest, int line_size) attribute_l1_text; void ff_bfin_put_pixels_clamped(const int16_t *block, uint8_t *dest, int line_size) attribute_l1_text; void ff_bfin_diff_pixels(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride) attribute_l1_text; void ff_bfin_get_pixels(int16_t *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text; int ff_bfin_pix_norm1(uint8_t *pix, int line_size) attribute_l1_text; int ff_bfin_pix_sum(uint8_t *p, int stride) attribute_l1_text; int ff_bfin_z_sad8x8(uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text; int ff_bfin_z_sad16x16(uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text; int ff_bfin_sse4(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; int ff_bfin_sse8(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; int ff_bfin_sse16(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text; static void bfin_idct_add(uint8_t *dest, int line_size, int16_t *block) { ff_bfin_idct(block); ff_bfin_add_pixels_clamped(block, dest, line_size); } static void bfin_idct_put(uint8_t *dest, int line_size, int16_t *block) { ff_bfin_idct(block); ff_bfin_put_pixels_clamped(block, dest, line_size); } static void bfin_clear_blocks(int16_t *blocks) { // This is just a simple memset. __asm__ ("P0=192; " "I0=%0; " "R0=0; " "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;" "clear_blocks_blkfn_lab:" "[I0++]=R0;" ::"a" (blocks) : "P0", "I0", "R0"); } static int bfin_pix_abs16(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { return ff_bfin_z_sad16x16(blk1, blk2, line_size, line_size, h); } static uint8_t vtmp_blk[256] attribute_l1_data_b; static int bfin_pix_abs16_x2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + 1, 16, line_size, h); return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h); } static int bfin_pix_abs16_y2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + line_size, 16, line_size, h); return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h); } static int bfin_pix_abs16_xy2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_z_put_pixels16_xy2(vtmp_blk, blk2, 16, line_size, h); return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h); } static int bfin_pix_abs8(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { return ff_bfin_z_sad8x8(blk1, blk2, line_size, line_size, h); } static int bfin_pix_abs8_x2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + 1, 8, line_size, h); return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h); } static int bfin_pix_abs8_y2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + line_size, 8, line_size, h); return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h); } static int bfin_pix_abs8_xy2(void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) { ff_bfin_z_put_pixels8_xy2(vtmp_blk, blk2, 8, line_size, h); return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h); } /* * decoder optimization * start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging * 9.824s ~ 2.44x off * 6.360s ~ 1.58x off with -O2 * 5.740s ~ 1.43x off with idcts * * 2.64s 2/20 same sman.mp4 decode only */ av_cold void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) { c->diff_pixels = ff_bfin_diff_pixels; c->put_pixels_clamped = ff_bfin_put_pixels_clamped; c->add_pixels_clamped = ff_bfin_add_pixels_clamped; c->clear_blocks = bfin_clear_blocks; c->pix_sum = ff_bfin_pix_sum; c->pix_norm1 = ff_bfin_pix_norm1; c->sad[0] = bfin_pix_abs16; c->sad[1] = bfin_pix_abs8; /* TODO [0] 16 [1] 8 */ c->pix_abs[0][0] = bfin_pix_abs16; c->pix_abs[0][1] = bfin_pix_abs16_x2; c->pix_abs[0][2] = bfin_pix_abs16_y2; c->pix_abs[0][3] = bfin_pix_abs16_xy2; c->pix_abs[1][0] = bfin_pix_abs8; c->pix_abs[1][1] = bfin_pix_abs8_x2; c->pix_abs[1][2] = bfin_pix_abs8_y2; c->pix_abs[1][3] = bfin_pix_abs8_xy2; c->sse[0] = ff_bfin_sse16; c->sse[1] = ff_bfin_sse8; c->sse[2] = ff_bfin_sse4; if (!high_bit_depth) { c->get_pixels = ff_bfin_get_pixels; if (avctx->dct_algo == FF_DCT_AUTO) c->fdct = ff_bfin_fdct; if (avctx->idct_algo == FF_IDCT_AUTO) { c->idct_permutation_type = FF_NO_IDCT_PERM; c->idct = ff_bfin_idct; c->idct_add = bfin_idct_add; c->idct_put = bfin_idct_put; } } }